Boston Marathon logo
BOSTON MARATHON 2024

Sierd Sikkema

Bib: 1087•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 7%
Gender (Male)
#0 / 14578
Top 11%
Masters (Masters Men)
#0 / 9729
Top 4%
Division (M50-54)
#0 / 1935
Top 1%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:50
Rank: #1122
Start → 5K
18:50 | 6:04/mi
10K· 6.21 mi
37:47
Rank: #1126 (-4)
5K → 10K
18:57 | 6:06/mi
15K· 9.32 mi
56:59
Rank: #1160 (-34)
10K → 15K
19:12 | 6:11/mi
20K· 12.43 mi
1:17:17
Rank: #1391 (-231)
15K → 20K
20:18 | 6:32/mi
Half· 13.11 mi
1:21:34
Rank: #1396 (-5)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:37:15
Rank: #1417 (-21)
Half → 25K
15:41 | 6:28/mi
30K· 18.64 mi
1:58:33
Rank: #1469 (-52)
25K → 30K
21:18 | 6:51/mi
20M
2:08:02
Rank: #1488 (-19)
30K → 20M
9:29 | 6:59/mi
21M
2:15:56
Rank: #1573 (-85)
20M → 21M
7:54 | 7:54/mi
35K· 21.75 mi
2:21:02
Rank: #1579 (-6)
21M → 35K
5:06 | 6:49/mi
23M
2:30:13
Rank: #1622 (-43)
35K → 23M
9:11 | 7:20/mi
24M
2:37:23
Rank: #1649 (-27)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
2:43:38
Rank: #1661 (-12)
24M → 40K
6:15 | 7:19/mi
25.2M
2:46:22
Rank: #1661
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
2:53:35
Rank: #1683 (-22)
25.2M → Finish
7:13 | 7:05/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:34
Pace6:13 /mi
2nd Half
Distance13.11 mi
Time1:32:01
Pace7:01 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1818:506:0418:50
6:04
-
10K
6.21 mi10:38:1537:476:0518:57
6:06
+0:02
15K
9.32 mi10:57:2756:596:0719:12
6:11
+0:05
20K
12.43 mi11:17:451:17:176:1320:18
6:32
+0:21
Half
13.11 mi11:22:021:21:346:134:17
6:17
-0:15
25K
15.53 mi11:37:431:37:156:1615:41
6:28
+0:11
30K
18.64 mi11:59:011:58:336:2221:18
6:51
+0:23
20M
20.00 mi12:08:302:08:026:249:29
6:59
+0:08
21M
21.00 mi12:16:242:15:566:287:54
7:54
+0:55
35K
21.75 mi12:21:302:21:026:295:06
6:49
-1:05
23M
23.00 mi12:30:412:30:136:329:11
7:20
+0:31
24M
24.00 mi12:37:512:37:236:337:10
7:10
-0:10
40K
24.85 mi12:44:062:43:386:356:15
7:19
+0:09
25.2M
25.20 mi12:46:502:46:226:362:44
7:56
+0:37
Finish
26.22 mi12:54:032:53:356:387:13
7:05
-0:51

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:04 /mi

Average Pace

6:38 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:15

56% of race

Time at Steady Pace

43:06

25% of race

Time at Slower Pace

33:14

19% of race

Average Pace: 6:37 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:19:1818:506:0418:50
6:04
#1122
10K
6.21 mi10:38:1537:476:0518:57
6:06
#1126
15K
9.32 mi10:57:2756:596:0719:12
6:11
#1160
20K
12.43 mi11:17:451:17:176:1320:18
6:32
#1391
Half
13.11 mi11:22:021:21:346:134:17
6:17
#1396
25K
15.53 mi11:37:431:37:156:1615:41
6:28
#1417
30K
18.64 mi11:59:011:58:336:2221:18
6:51
#1469
20M
20.00 mi12:08:302:08:026:249:29
6:59
#1488
21M
21.00 mi12:16:242:15:566:287:54
7:54
#1573
35K
21.75 mi12:21:302:21:026:295:06
6:49
#1579
23M
23.00 mi12:30:412:30:136:329:11
7:20
#1622
24M
24.00 mi12:37:512:37:236:337:10
7:10
#1649
40K
24.85 mi12:44:062:43:386:356:15
7:19
#1661
25.2M
25.20 mi12:46:502:46:226:362:44
7:56
#1661
Finish
26.22 mi12:54:032:53:356:387:13
7:05
#1683
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi1122108310831314(Top 5%)1275(Top 9%)1275(Top 66%)
10K6.21 mi3.10 mi1126-41086-31086-31151(Top 5%)1112(Top 8%)1112(Top 57%)
15K9.32 mi3.11 mi1160-341121-351121-351314(Top 5%)1275(Top 9%)1275(Top 66%)
20K12.43 mi3.11 mi1391-2311345-2241345-2242323(Top 9%)2230(Top 15%)2230(Top 115%)
Half13.11 mi0.68 mi1396-51350-51350-51594(Top 6%)1546(Top 11%)1546(Top 80%)
25K15.53 mi2.42 mi1417-211371-211371-211654(Top 6%)1595(Top 11%)1595(Top 82%)
30K18.64 mi3.11 mi1469-521419-481419-482155(Top 8%)2038(Top 14%)2038(Top 105%)
20M20.00 mi1.36 mi1488-191434-151434-152249(Top 9%)2105(Top 14%)2105(Top 109%)
21M21.00 mi1.00 mi1573-851515-811515-813775(Top 15%)3278(Top 22%)3278(Top 169%)
35K21.75 mi0.75 mi1579-61518-31518-32326(Top 9%)2130(Top 15%)2130(Top 110%)
23M23.00 mi1.25 mi1622-431557-391557-393007(Top 12%)2662(Top 18%)2662(Top 138%)
24M24.00 mi1.00 mi1649-271579-221579-222858(Top 11%)2503(Top 17%)2503(Top 129%)
40K24.85 mi0.85 mi1661-121589-101589-102814(Top 11%)2438(Top 17%)2438(Top 126%)
25.2M25.20 mi0.35 mi16611588+11588+12490(Top 10%)2145(Top 15%)2145(Top 111%)
Finish26.22 mi1.02 mi1683-221607-191607-193461(Top 14%)2828(Top 19%)2828(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1314

Males

1275

M50-54

1275

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1151

Males

1112

M50-54

1112

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1314

Males

1275

M50-54

1275

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2323

Males

2230

M50-54

2230

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1594

Males

1546

M50-54

1546

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1654

Males

1595

M50-54

1595

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2155

Males

2038

M50-54

2038

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2249

Males

2105

M50-54

2105

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3775

Males

3278

M50-54

3278

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2326

Males

2130

M50-54

2130

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3007

Males

2662

M50-54

2662

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2858

Males

2503

M50-54

2503

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2814

Males

2438

M50-54

2438

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2490

Males

2145

M50-54

2145

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3461

Males

2828

M50-54

2828

Passing Analysis

Category:
Athletes Passed
447
Passed By
1008
Net Change
-561
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1122
5K → 10K6872-4#1122#1126
10K → 15K3771-34#1126#1160
15K → 20K11242-231#1160#1391
20K → Half914-5#1391#1396
Half → 25K4970-21#1396#1417
25K → 30K66118-52#1417#1469
30K → 20M3857-19#1469#1488
20M → 21M22107-85#1488#1573
21M → 35K2632-6#1573#1579
35K → 23M3275-43#1579#1622
23M → 24M2754-27#1622#1649
24M → 40K2537-12#1649#1661
40K → 25.2M13130#1661#1661
25.2M → Finish2446-22#1661#1683
TOTALS4471008-561
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing